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Software defined network (SDN) can effectively improve the performance of traffic engineering and will be widely used in backbone networks. Therefore, new energy-saving schemes must take SDN into consideration; this action is extremely important owing to the rapidly increasing energy consumption in telecom and Internet service provider (ISP) networks. Meanwhile, the introduction of SDN in current...
With the rapid proliferation of Wi-Fi technologies in recent years, it has become possible to utilize the vehicular wireless network to assist the route guidance for drivers in a cooperative approach, aiming to mitigating heavy traffic congestion. In this paper, we investigate into the route guidance problem in vehicular wireless network, and then propose two efficient routing algorithms, i.e., centralized...
As scale and integration density of network-on-chip increase sharply, more transistors have been integrated into one chip. This unfortunately leads to more unexpected variations and faults in system. In particular, the transient errors and hardware permanent faults have rapidly become the key constraint for large-scale network design. This increasing tendency highlights the incorporation of fault-tolerant...
In this paper we present R+S: a framework of application-specific hybrid on-chip network (OCN) consisting of S-NET, R-NET and a controller for collaborative work between this two sub-networks. R+S network can optimize data path allocation for time-varying communication self-adaptively. Meanwhile, a low-cost communication-aware algorithm based on least recently receive (LRR) is proposed for collaborative...
This paper presents the design of a decentralized storage scheme to support multi-dimensional range queries over sensor networks. We build a distributed k-d tree based index structure over sensor network, so as to efficiently map high dimensional event data to a two-dimensional space of sensors while preserving the proximity of events. We propose a dynamic programming based methodology to control...
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